1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kvasek [131]
3 years ago
11

Dana is riding her bike. She rides 20 miles in 2 hours, 30 miles in 3 hours, and 40 miles in 4 hours. Find the constant of prop

ortionality and write an equation to describe

Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0
10. 20/2 = 10
30/3=10
40/4=10

Y=10x
You might be interested in
The price of a smartphone increased from $25 to $40. Find the percent<br> increase
saveliy_v [14]

Answer:60% increase

Source:trust me bro

4 0
2 years ago
Read 2 more answers
Pls help I need a good grade <br><br> 46=-6t-8<br><br> Show ur work
m_a_m_a [10]
Add 8 to 46. Then divide 54/8 to get 6.75 and t=6.75
5 0
2 years ago
60 POINTSSSS Answer correctly please this depeneds on my dumb GRADE PLEASE
Maru [420]

Answer:

Option 4

Step-by-step explanation:

It's a geometric progression.

After t years,

500(1.1^t)

After 6 years,

500(1.1⁶) = 885.7805

4 0
2 years ago
A spherical balloon has a circumference of 23 cm. What is the approximate surface area of the balloon to the nearest square cent
Bad White [126]
168cm2
Let r cm be the radius of the balloon, then 
<span>2pi(r)=23=>r=23/(2pi) </span>
<span>The surface area= </span>
<span>4pi(r^2)= </span>
<span>4pi[23/2pi)]^2= </span>
<span>(23^2)/pi=168.386 cm^2 </span>
<span>approximately.</span>
7 0
3 years ago
Which of the following do not have precise definitions in geometry. Select the two correct answers
guapka [62]

Answer:

2 and 5

Point and line.

Step-by-step explanation:

In geometry, there are many terms and jargons Mathematicians make use of.

Angle is one of the term used in geometry which depicts any form of inclination.

Segment is also use to analyze and to solve many questions.

Lines are used to join one segment or the other.

Point and ray are also used but are majorly used in optics

Asking that Which of the following do not have precise definitions in geometry.

The best answer are point and line.

Because there is no specific definition for the two variables.

7 0
2 years ago
Other questions:
  • Find the perimeter or cm
    5·1 answer
  • What is the volume of a hemisphere that
    8·1 answer
  • What is an inequality
    14·1 answer
  • Suppose each cube in this figure is a -inch cube. Select all that are true.
    13·1 answer
  • Opposite reciprocal of -2/3? geometry/algebra
    11·1 answer
  • What’s the answer?
    12·1 answer
  • Celina built a model of a triangular pyramid. The model's height is shown in the diagram.
    10·1 answer
  • 100 cm is equal to:<br><br> 0.1 m<br> 1,000 m<br> 10 m<br> 1 m
    8·2 answers
  • Fill in the missing numbers in this table NEED ASAP PLEASE ANYONE
    8·2 answers
  • which equation below represents the data in the table and PLEEEEASE show each and every step of how to solve I will make you the
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!